E-96
Swapping the Home City and World Time City
You can use the procedure below to swap your Home City with your World Time City. This function comes
in handy for those who often travel between two different time zones. The following example shows what
happens when the Home City and World Time City are swapped while the Home City originally is
TOKYO
(
TYO
) and the World Time City is
NEW YORK
(
NYC
).
Home City World Time City
Before swapping
Tokyo
10:08 p.m
(Standard time)
New York
9:08 a.m.
(Daylight saving time)
After swapping
New York
9:08 a.m.
(Daylight saving time)
Tokyo
10:08 p.m.
(Standard time)
• You need to confi
procedure below.
Home City and summer time settings (page E-34)
World Time City and summer time settings (page E-95)
• The p
New YNY) timTY) time.
E-97
To swap your Home City and World Time City
In the World Time Mode, hold down
D
for at least three seconds.
• After
CITY
fl
Home City and World Time City settings. With the above example, the
second hand will move to
TYO
(Tokyo). The hour and minute hands
will move to the current time in Tokyo (
TYO
).
• The second hand will return to regular timekeeping after about three
seconds.
• With the above example, the digital display will now show the current
time in New York (
NYC
).
To access the UTC (Universal Time Coordinated) time zone
In the World Time Mode, hold down
A
for at least three seconds.
• This will cause
UTC
to fl
and minute hands will move to the current time in the UTC time zone.
The second hand will move to the UTC city code at this time. The
second hand will return to regular timekeeping after about three
seconds.
E-98
Illumination
The display of the watch is illuminated for easy reading in the dark.
The watch’s auto light switch turns on illumination automatically when
you angle the watch towards your face.
• The auto light switch must be turned on (page E-100) for it to operate.
To turn on illumination manually
Press
L
in any mode to illuminate the display.
• You can use the procedure below to select either 1.5 seconds or three
seconds as the illumination duration. When you press
L
, the display
will remain illuminated for about 1.5 seconds or three seconds,
depending on the current illumination duration setting.
• The above operation turns on illumination regardless of the current auto light switch setting.
• Illumination will turn off automatically if an alarm starts to sound or if you perform a crown operation.
• Illumination will not turn on if a calibration signal receive operation or hand movement operation is in
progress. Also, illumination may not turn on while a sensor is taking a reading.
To change the illumination duration
1. In the Timekeeping Mode, pull out the crown.
2. Press
B
four times. This will cause
LIGHT
to appear on the digital display, along with a fl
(
1
or
3
) indicating the current illumination duration setting.
3. Rotate the crown to select either
1
(1.5 seconds) or
3
(three seconds) for the illumination duration.
4. After the setting is the way you want, push the crown back in.
C
E-99
About the Auto Light Switch
Turning on the auto light switch causes illumination to turn on,
whenever you position your wrist as described below in any mode.
Moving the watch to a position that is parallel to the ground and
then tilting it towards you more than 40 degrees causes
illumination to turn on.
Warning!
•
Always make sure you are in a safe place whenever you are reading the display of the watch
using the auto light switch. Be especially careful when running or engaged in any other activity
that can result in accident or injury. Also take care that sudden illumination by the auto light
switch does not startle or distract others around you.
•
When you are wearing the watch, make sure that its auto light switch is turned off before riding
on a bicycle or operating a motorcycle or any other motor vehicle. Sudden and unintended
operation of the auto light switch can create a distraction, which can result in a traffi c accident
and serious personal injury.
More than
40°
Wear the watch on the
outside of your wrist
More than
40°
Wear the watch on the
outside of your wrist
E-100
Note
• This watch features a “Full Auto Light”, so the auto light switch operates only when available light is
below a certain level. It does not illuminate the display under bright light.
• The auto light switch is always disabled, regardless of its on/off setting, when any one of the following
conditions exists.
While any tone (alarm, timer, etc.) is sounding
While the watch is in the Digital Compass Mode
While a receive operation is in progress
While a hand movement operation is in progress
• If you have Auto Light enabled, display illumination may be delayed if you angle the watch towards
your face while a barometric pressure, altitude, or temperature reading operation is being performed.
To enable or disable the auto light switch
1. In the Timekeeping Mode, pull out the crown.
2. Press
B
three times. This will cause
AUTO
to appear on the left of the
digital display, along with the fl
(
ON
or
OFF
) on the right.
3. Rotate the crown to select either enabled (
ON
) or disabled (
OFF
) for
the auto light switch setting.
4. Push the crown back in.
• The auto light switch turns off automatically whenever battery power
drops to Level 4 (page E-14).
Auto light switch on
indicator
Auto light switch on
indicator
C
E-101
Illumination Precautions
• The LED that provides illumination loses power after very long use.
• Illumination may be hard to see when viewed under direct sunlight.
• Illumination turns off automatically whenever an alarm sounds.
• Frequent use of illumination runs down the battery.
Auto light switch precautions
• Wearing the watch on the inside of your wrist, movement of your arm, or vibration of your arm can
cause frequent activation of the auto light switch and illumination of the display. To avoid running down
the battery, turn off the auto light switch whenever engaging in activities that might cause frequent
illumination of the display.
• Note that wearing the watch under your sleeve while the auto light switch is turned on can cause
frequent illumination of the display and can run down the battery.
• Illumination may not turn on if the face of the watch is more than 15 degrees above
or below parallel. Make sure that the back of your hand is parallel to the ground.
• Illumination turns off after the preset illumination duration (page E-98), even if you
keep the watch pointed towards your face.
• Static electricity or magnetic force can interfere with proper operation of the auto
light switch. If illumination does not turn on, try moving the watch back to the
starting position (parallel with the ground) and then tilt it back towards your face
again. If this does not work, drop your arm all the way down so it hangs at your
side, and then bring it back up again.
• You may notice a very faint clicking sound coming from the watch when it is shaken
back and forth. This sound is caused by mechanical operation of the auto light
switch, and does not indicate a problem with the watch.
E-102
Other Settings
The button operation tone sounds any time you press one of the watch’s buttons. You can turn the button
operation tone on or off as desired.
• Even if you turn off the button operation tone, the alarm, Hourly Time Signal, barometric pressure
change indicator, and Countdown Timer Mode alarm all operate normally.
To turn the button operation tone on or off
1. In the Timekeeping Mode, pull out the crown.
2. Press
B
twice. This will cause the current button operation tone
setting (
KEY
or
MUTE
) to fl
3. Rotate the crown to select either on (
KEY
) or off (
MUTE
) for the
button operation tone setting.
4. Push the crown back in.
E-103
To turn Power Saving on or off
1. In the Timekeeping Mode, pull out the crown.
2. Press
B
six times. This will cause
P.SAVE
to appear on the digital
display, along with the fl
ON
or
OFF
).
3. Rotate the crown to select either on (
ON
) or off (
OFF
) for the Power
Saving setting.
4. Push the crown back in.
Operation Guide 5365
